22mm Handmade Art Glass "Coral Reef" Marble w Stand Glass "Coral Reef" Marble - 22mm - Handmade Collectible Art Glass Pale Green Art Glass Colonized by a Small Coral Miliflora Creature w Splashes of Green & White Waves Big .86 Inch in Diameter Shooter Marble (22 mm) Impressive Shooter Marble from House of Marbles Comes with a ring style, stainless steel, display stand.